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Since its 2004 introduction, the Mercedes-Benz SLR McLaren has attempted to trade off the glory of the legendary W196S 300SLR racing cars of the 1950s. For the SLR's final run of seventy-five cars, Mercedes has crafted a whole new body for its supercar, creating the most evocative variant yet. Adding the name of another legend associated with Mercedes racing history, the final edition is called the SLR Stirling Moss.

The sumo wrestlers of the auto world, Lexus and Mercedes-Benz, flex their engineering muscles and flaunt their advanced technology every chance they get. Each wages battle in the hybrid luxury sedan category in a distinctive manner.

For 2010, the Mercedes-Benz S-class gains its first-ever hybrid powertrain, a clear indication that its maker is shifting from a strict diesel approach to efficiency and finally acknowledging the worth of hybrids as an essential step on the path to electric propulsion. What's more, the Mercedes S400 Hybrid is the world's first production hybrid automobile using lithium-ion batteries (the Tesla Roadster is powered solely by Li-ion batteries). Hybrid propulsion systems aren't anything new, of course, but they're still rare in the luxury class, where the Lexus LS600hL has been standing alone for the past two years.

The AMG Driving Academy at the Nürburgring is a trifecta of automotive scholarly brilliance: there are cars and then there are AMGs; there are tracks and then there's the Nürburgring, and there are schools, and then there's the AMG Driving Academy. But I'm not yet aware of this as my shuttle picks me up from the Frankfurt airport. As we get closer to the famed 'Ring, Porsche after tuned Porsche drives by in the other direction, a gaggle of Nissan Skylines buzz past us, wastegates whistling. An old bi-plane flies by, doing loop-de-loops in the sky above us into the sunset. I smile as I realize that I'm at Ground Zero in the promised land of engine-powered mayhem.

Is the Horsepower War Almost Over?
War is hell, unless it's a horsepower war, in which case it's kind of fun. For more than a decade, the cars from AMG have been on the front lines of the horsepower wars, which have seen the top autobahn rockets - most, naturally, from Germany - zoom past 300, then 400, and now 500 horsepower. But all good wars must one day come to an end, and for the horsepower wars, that day is starting to feel very close indeed. The new E63 AMG, for example, uses the same engine as the previous model (AMG's near-ubiquitous 6.2-liter V-8) and pushes its headline figure ahead by only 11 hp.